<div dir="ltr"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Greetings,<br></div><div dir="ltr"><div><br></div><div>This mail is regarding Memory leak in Syslog-ng v3.19.1. The process gets launched at 26MB and then grows to 37MB or even upto 45MB.</div><div><br></div><div>Pasting the configurations used below: </div><div>@version: 3.19<br>@include "scl.conf"<br>source s_local {<br>    #system();<br>    #internal();<br>    syslog(port(514) transport("udp"));<br>};<br>rewrite tag_SN {<br>    set("ABC-XXXXXXX", value("HOST"));<br>};<br><br>destination d_Log_Server {<br>    network("<a href="http://abcd.com/" target="_blank">abcd.com</a>"<br>            port(514)<br>            transport(tls)<br>            tls( ca-dir("/etc/ssl") peer-verify("required-trusted") )<br>            time-zone("+00:00")<br>            template("${R_YEAR}-${R_MONTH}-${R_DAY}T${R_HOUR}:${R_MIN}:${R_SEC}.${R_MSEC}${TZOFFSET} ${HOST} ${MSGHDR}${MESSAGE}\n")<br>            );<br>};<br>log {<br>    source(s_local);<br>    rewrite(tag_SN);<br>    destination(d_Log_Server);<br>};<br></div><div><br></div><div>Also, tried debugging using valgrind but did not resolve the issue.</div><div><br></div><div><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Memcheck, a memory error detector</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Command: /sbin/syslog-ng --cfgfile=/var/syslog-ng.conf</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Parent PID: 2190</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    at 0x401A8D4: index (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    by 0x4007F33: expand_dynamic_string_token (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    at 0x401A8D8: index (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    by 0x4007F33: expand_dynamic_string_token (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    at 0x4007F38: expand_dynamic_string_token (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">disInstr(arm): unhandled instruction: 0xEC510F1E</p><p style="margin:0in;font-family:Calibri;font-size:11pt">                 cond=14(0xE) 27:20=197(0xC5) 4:4=1 3:0=14(0xE)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== valgrind: Unrecognised instruction at address 0x4cd6e68.</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    at 0x4CD6E68: _armv7_tick (in /lib/libcrypto.so.1.1)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Your program just tried to execute an instruction that Valgrind</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== did not recognise.  There are two possible reasons for this.</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== 1. Your program has a bug and erroneously jumped to a non-code</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    location.  If you are running Memcheck and you just saw a</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    warning about a bad jump, it's probably your program's fault.</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== 2. The instruction is legitimate but Valgrind doesn't handle it,</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    i.e. it's Valgrind's fault.  If you think this is the case or</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    you are not sure, please let us know and we'll try to fix it.</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Either way, Valgrind will now raise a SIGILL signal which will</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== probably kill your program.</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Invalid read of size 4</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401A8D4: index (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x40145BB: dl_open_worker (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==  Address 0x4f86bb4 is 3 bytes after a block of size 41 alloc'd</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x4847654: malloc (vg_replace_malloc.c:299)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49B3BC3: g_malloc (gmem.c:94)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49CEA17: g_strdup (gstrfuncs.c:363)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49417BF: g_module_open (gmodule.c:543)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489AFDB: plugin_dlopen_module_as_filename (plugin.c:252)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489B8B3: plugin_dlopen_module_as_dir_and_filename (plugin.c:271)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489B8B3: plugin_load_candidate_modules (plugin.c:457)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4887017: cfg_lexer_preprocess (cfg-lexer.c:1068)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4887017: cfg_lexer_lex (cfg-lexer.c:1110)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x48A876F: main_parse (cfg-grammar.c:3143)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4887D8F: cfg_parser_parse (cfg-parser.c:369)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x48845BF: cfg_run_parser (cfg.c:504)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x48846B3: cfg_read_config (cfg.c:556)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489766B: <span style="background:yellow">main_loop_read_and_init_config (mainloop.c:552)</span></p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401A8D4: index (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x40145BB: dl_open_worker (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401A8D8: index (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x40145BB: dl_open_worker (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x40145C0: dl_open_worker (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401AD9C: strcpy (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x400A8D3: _dl_lookup_symbol_x (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Invalid read of size 4</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401AC60: strcpy (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x400A8D3: _dl_lookup_symbol_x (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==  Address 0x5185254 is 0 bytes after a block of size 20 alloc'd</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x4849EB4: realloc (vg_replace_malloc.c:785)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49B3C9B: g_realloc (gmem.c:159)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49FCAF3: _g_gnulib_vasnprintf (vasnprintf.c:5533)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49FD263: _g_gnulib_vasprintf (printf.c:142)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49F6B0B: g_vasprintf (gprintf.c:310)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49CEB7F: g_strdup_vprintf (gstrfuncs.c:514)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49CEBAB: g_strdup_printf (gstrfuncs.c:540)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489AF7F: plugin_get_module_init_name (plugin.c:234)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489B363: plugin_load_module (plugin.c:364)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x48ABCAB: pragma_parse (pragma-grammar.y:443)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4887D8F: cfg_parser_parse (cfg-parser.c:369)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4886E9B: cfg_lexer_parse_pragma (cfg-lexer.c:996)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4886E9B: cfg_lexer_preprocess (cfg-lexer.c:1040)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4886E9B: <span style="background:yellow">cfg_lexer_lex (cfg-lexer.c:1110)</span></p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401AD80: strcpy (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x400A8D3: _dl_lookup_symbol_x (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Use of uninitialised value of size 4</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401ACB8: strcpy (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x400A8D3: _dl_lookup_symbol_x (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Invalid read of size 4</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401ADAC: strcpy (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x400A8D3: _dl_lookup_symbol_x (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==  Address 0x533bdac is 3 bytes after a block of size 25 alloc'd</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x4849EB4: realloc (vg_replace_malloc.c:785)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49B3C9B: g_realloc (gmem.c:159)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49FCAF3: _g_gnulib_vasnprintf (vasnprintf.c:5533)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49FD263: _g_gnulib_vasprintf (printf.c:142)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49F6B0B: g_vasprintf (gprintf.c:310)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49CEB7F: g_strdup_vprintf (gstrfuncs.c:514)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x49CEBAB: g_strdup_printf (gstrfuncs.c:540)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489AF7F: plugin_get_module_init_name (plugin.c:234)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489B363: plugin_load_module (plugin.c:364)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489B6BB: plugin_find (plugin.c:199)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x489921B: msg_format_options_init (msg-format.c:81)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4891A9B:<span style="background:yellow"> log_reader_options_init (logreader.c:728)</span></p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401ADC4: strcpy (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x400A8D3: _dl_lookup_symbol_x (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401A8D4: index (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4008BFB: _dl_map_object (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x401A8D8: index (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    by 0x4008BFB: _dl_map_object (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Conditional jump or move depends on uninitialised value(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x4008C00: _dl_map_object (in /lib/ld-linux.so.3)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700== Syscall param epoll_pwait(sigmask) points to unaddressable byte(s)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==    at 0x4BCC73C: <span style="background:yellow">epoll_pwait (in /lib/libc.so.6) </span></p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==  Address 0x0 is not stack'd, malloc'd or (recently) free'd</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19700==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== HEAP SUMMARY:</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==     in use at exit: 11,980 bytes in 55 blocks</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==   total heap usage: 179 allocs, 124 frees, 49,157 bytes allocated</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== 419 (44 direct, 375 indirect) bytes in 1 blocks are definitely lost in loss record 44 of 46</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    at 0x4847654: malloc (vg_replace_malloc.c:299)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    by 0x49B3BC3: g_malloc (gmem.c:94)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    by 0x488BD07: g_process_set_argv_space (gprocess.c:569)</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    by 0x1127B: <span style="background:yellow">main (main.c:216)</span></p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== LEAK SUMMARY:</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    definitely lost: 44 bytes in 1 blocks</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    indirectly lost: 375 bytes in 10 blocks</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==      possibly lost: 0 bytes in 0 blocks</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==    still reachable: 11,561 bytes in 44 blocks</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671==         suppressed: 0 bytes in 0 blocks</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== Reachable blocks (those to which a pointer was found) are not shown.</p><p style="margin:0in;font-family:Calibri;font-size:11pt">==19671== To see them, rerun with: --leak-check=full --show-leak-kinds=all</p><p style="margin:0in;font-family:Calibri;font-size:11pt"><br></p><p style="margin:0in;font-family:Calibri;font-size:11pt"><br></p><p style="margin:0in;font-family:Calibri;font-size:11pt">The memory usage keeps increasing. There are no local disks used to store the logs messages. It is directly sent to the Graylog server.</p><p style="margin:0in;font-family:Calibri;font-size:11pt">Could you please take a look at this issue and help resolving the same.  <br></p><p style="margin:0in;font-family:Calibri;font-size:11pt"><br></p><p style="margin:0in;font-family:Calibri;font-size:11pt">Regards,</p><p style="margin:0in;font-family:Calibri;font-size:11pt">Vidya Balakrishnan</p></div></div>
</div></div>